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Cooper Wheelock < Support < Technical Support FAQ's      Cooper Wheelock Support Support:  Technical Support FAQ's TESAN-Tech Support Engineering App Notices Computer Software Tools Online Calculators Sound Clips Product Cross Reference Contact Technical Support Documentation Center - All Documentation Center - Discontinued  Technical Support Frequently Asked Questions      Commercial and Telephone Paging Products      Applications   QUESTION   ANSWER 1. "What is the recommend power supply for the MZC-144?" The RPS-2406, which is filtered and regulated, is the recommended power supply         2. "I need to install a 24vdc 4-amp power supply for some self amplified paging speakers. What should I use?"   Although the outputs on the RPS-2440 are rated as two amps you can parallel them to give you a 4amp 24 VDC power supply         3. "I need a 3 zone paging device?"   The MZC-144 with RPS-2406 power supply         4. "I need an amplifier to connect to your MZC-144 for background music."   Cooper Wheelock no longer manufactures amplifiers. Commercial and Telephone Paging Products Installation QUESTION ANSWER 1. "I just completed wiring a MZC-144 and I cannot get the device to page.  I have my power wires connected to pins 5 & 6 but still have nothing?"   The MZC-144 requires reverse polarity; make sure that pin 5 is your positive (+) and pin 6 is connected to ground (-). 2. " I am installing some ST-C8’s into a drop ceiling. What can you recommend I mount them to?"   Cooper Wheelock makes a product for just such an application. It is a tile support bridge part number SSB-8 Commercial and Telephone Paging Products Service & Maintenance << Back To Top QUESTION ANSWER 1. "My customer  is upgrading his phone system to a new digital system. He currently is using your MZC-144. Will I be able to use this unit on his new phone system?"   The MZC-144 can only be used with a CO line or a Page Port         2. "I am using the MZC-144 with a power supply that is unfiltered and not regulated. There seems to be a lot of noise when I page and my customer is unhappy. What is the problem with the MZC-144?"   The MZC-144 needs a filtered and regulated power supply. It is recommended that you replace the power supply with an RPS-2406 and see if that remedies the problem. In most cases that will clean up the noise you hear when you use the paging system.         3.   "I am trying to upgrade a 60 watt amplifier I purchased from Cooper Wheelock to 100 watts. What is the part number I need to order?"   Cooper Wheelock no longer manufacturers amplifiers. Fire Notification Appliance Circuits (NAC)     Applications << Back To Top QUESTION ANSWER 1. "I need a horn that can take a pulse voltage from my FACP"   MT-12/24-R         2. "I have several strobes on my NAC Circuit from my FACP which is rated at 1 AMP. I want to put more horn strobes on that circuit. How can I accomplish this?"   By using the PS-12/24-8 Power Booster         3. "I need a Horn Strobe that I can put in a freezer"   Use the ASWP-2475W-FR with the WPBB-R Back Box         4. "Do you make a strobe only appliance for outdoor use that can be synchronized?"   Yes, the RSSWP-2475W-FR with the WPSBB-R Back Box         5. "Do you make a Vibrating Explosionproof Bell?"   Yes, the CVX10-115AC-R         6. "I have 4 circuits of Horn Strobes that I need to synchronize. Do you have a product I can use?"   Yes, either the PS-12/24-8 Power Booster or two interconnected DSM Sync Modules         7. "Do you have a Horn Strobe that operates on 115 VAC for outdoor use?"   Yes, the MT4-115-WH-VFR with the WBB-R Back Box         8. "My customer ordered the MT-24-WM-VFR and was sent a WBB-R Back Box. It doesn't fit. What is the correct Back Box?"   The IOB-R         9. "Do you make a tile bridge for the CH90 Chime for installation in a supported ceiling?"   Yes, the SSB-4         10. "I have a hotel that needs to put a Mini Horn in each hotel room . Do you have something I can use?"   Yes, the MIZ-24-R which is either continuous or Code 3. Fire Notification Appliance Circuits (NAC)     Service & Maintenance << Back To Top QUESTION ANSWER   1. "I am synchronizing using a Cooper Wheelock Synchronization module (SM-12/24 and/or DSM-12/24) and using Series AS, NS and RSS appliances.  My audible chirped once then shut off."   Check the audible connections on the sync module for proper polarity.  In addition check the audible connections for both forward polarity during alarm.  Ensure that voltage is not a pulsed voltage such as a temporal pattern or march time. 2. "I have 10 DSM Modules and they are not syncing together. How do I get them all to sync at the same time?"   You need to connect each DSM module through the plus (+) and minus (-) interconnection terminals of each DSM module. 3. " Why won't the interconnection terminals on the DSM Module tighten?"   Those terminals utilize a self-tapping screw. Apply pressure when you are tightening the screw. 4. "On the PS-12/24-8 Power Booster, everything is working fine but I notice the LED on the logic board is blinking faintly"   This is normal. 5. " I would like to parallel two of the outputs on the PS-12/24-8 Power Booster to give me a 4 Amp output"   You can parallel either outputs 1&2 or 3&4 to give you a 4 Amp output. 6. "I wired the PS-12/24-8 for AC Fail and Battery Fail. It's been 2 minutes already and it hasn't given me a trouble."   It takes approximately 5 minutes for the Power Booster to change state. 7. "I want the PS-12/24-8 to report a ground fault. How do I wire the Power Booster to give me that?"   Connect a single wire from the negative (-) side of the AUX terminal to the chassis ground located by the Transformer within the panel. 8. "I have the Series NS and my hole in the wall is just a little bit too big. What do I do?"   Use the NATP Trim Plate. 9. "How do I connect multiple PS-12/24-8 Power Boosters with Class "B" wiring without the silence option?"   Wire to Input 1, then take a jumper wire out of 1's return to input 2. Place the EOLR on the return of input 2. Then come out of output 4 to the input 1 of the next booster putting the EOLR on the last booster and set the DIP switch according to the Instruction Manual. 10. " I have one of your signals installed on a job. It's not working. What should I do?"   Take the appliance out of the NAC Circuit. Use either a power supply or a 24 VDC battery and connect the appliance to the power source. If it does not function then most likely the appliance is defective. You need to replace the appliance. To be on the safe side, test the new appliance before installing it into the Fire Alarm System.   11. "How do I hook up the NS4 separating the horn and strobe while using the DSM Module and have the horns do a Code 3 Pattern?"   Connect a NAC Circuit from the FACP to the Audible Terminals of the DSM. Jumper from the Audible Terminals to Input 1. Connect the Strobe portion of the NS4 to output 1 of the DSM. Connect the Horn portion of the NS4 to a separate NAC Circuit from the FACP. Have the FACP provide the Code 3 Pattern.   12. "How do I set either the NS or the AS appliances for continuous horn operation?"   Remove the factory installed jumper from the Code 3 position.  Note that you cannot get continuous horn when connected to a sync module.   13. "I have the CH 70 Chime Strobe and I want to use it with a Sync /module." Wire the strobe portion of the Chime Strobe through the Sync Module. Wire the Chime portion through your FACP on a separate NAC Circuit and set the Chime to single stroke and pulse the NAC Circuit.   14. "How do I set the DIP switches for Code 3 on a MT-12/24-R?" Look at the SW1 switch. Set positions 2 & 3 to the up position and position 4 to the down position.   15. "How do I set the priorities on the AMT appliance?" By setting the SW 1 DIP switch. Position 1 sets the dB level from either high or low. Positions 2 through 4 sets the priorities of the signal. Telephone Signaling Products     Applications << Back To Top   QUESTION ANSWER       1. "What High Candlepower TeleStrobe do I use with an analog phone system with 110 VAC power cord?" PS-11A-WPW       2. "What Ringer do I use with an analog phone?" UTA-1       3. "I need a signal device for a digital phone system." Cooper Wheelock does not have a device that is plug and play with a digital system but if you can provide a dry contact when the phone rings we have a interface (DCI-24-24) that will receive the contact closure and provide a 24vdc output that can be used with a number of products like a UTA-1.       4. "I need a relay to provide contact closure when my analog phone rings. The CRT-T-40 will perform this task.       5. "I need a weather Resistant Telephone signal device." Either the UTA-1 or the TB-593 for analog phone systems. Telephone Signaling Products Installation << Back To Top   QUESTION ANSWER       1. "I need to install a weatherproof phone signal device. What should I use?" The UTA-1 is recommended for both indoor and outdoor applications.       2. "I am installing a digital phone system for my customer and he wants a signal device for his guys in the warehouse. The system can provide a contact closure when the phone rings.  What would be the loudest horn you make?" The MTH-24 would be the best device for this installation. It comes with its own power supply and activates on a contact closure.       3. "I have a CA-312 that was working but I moved its location and now it does not operate even though I measure ring voltage coming into the device." The common problem with this device is they require a good ground. If you place your butt set on tip and ground and do not pull dial tone, this would verify that the ground is not correct. Make sure you have a solid earth ground       4. "I am installing the UTA-WH-VPS. Where can I get the 110-power that I need?" The 110 VAC comes from any standard wall outlet. Simply cut a line cord and connect to TB3 and plug into the wall.       5. "I want to install a chime for my phone system. Need something small that I can leave on my desk. Any suggestions?" The CH-AT1-W works directly off the phone ring voltage and is small enough to leave on your desk. Telephone Signaling Products     Service & Maintenance << Back To Top   QUESTION ANSWER   1. "I have a UTA-1 in a wash down area. Is it ok if I hose it down?" Although the unit is weather resistant, it is not recommended to directly spray the unit with water.   2. "I purchased, the CRT-T-40 Relay.  After the phone rings the relay contacts seem to stay closed." First check to see if you have the relay set to the low sensitivity. If this does not fix the problem gently bend the contacts up.   3. "My customer is calling me looking for a loud horn for his garage. He currently has an old Cooper Wheelock bell on the wall but I can’t seem to find it in your catalog. What would be the replacement?" The bell you are referring to is probably a Series 163 Bell. The recommended replacement would be a MTH-24, which is 117dB, and a CRT-T-40 which is the relay to activate the horn.   4. "I am trying to get the UTA-WH-VPS to operate on my analog phone no matter what phone I try the thing won’t ring. What is the issue?" That unit requires a 115vac wired directly to TB3 on the unit.   5. "My customer has called me to fix his PS-33A-WPW because it won’t stop flashing on his analog phone line. Do you have any suggestions?" The unit is working fine. The problem is the unit is not the right product for the application. That device requires 18-30 volts AC or DC. The device you need is either the PS-11A-WPW, which also needs to be plugged into a 110 VAC wall outlet, or the PS-15A-WPW, which can connect directly to the analog phone line.   6. "I have a CA-312 that was working but I moved its location and now it does not operate even though I measure ring voltage coming into device." The common problem with these devices is they require a good ground. If you place your buttset on tip and the ground you are using and do not pull dial tone, it will verify that the ground is not correct. Make sure you have a solid earth ground. Industrial Signaling Products     Applications << Back To Top QUESTION ANSWER 1. Do you carry a beacon type strobe that operates on 24vdc and is clear in color? The product you need is a DC-MAX-C Industrial Signaling Products     Installation << Back To Top   QUESTION   ANSWER   1. "I am installing 3 DC-MAX strobes to theRPS-2406 with some switches to notify the guys in the back it’s time to go home. Will my installation be successful?" No, the DC-MAX strobes has a high current draw (470ma). It is recommended that a larger power supply such as the RPS-2440 be installed.   2. "What strobe (only) should I use for a door bell signaling device?"   If you are using 24 VDC as your input voltage, the correct part would be a RSS-24MCW-DW SAFEPATH Products     Applications << Back To Top   QUESTION   ANSWER         1. "How many messages can I have on the SAFEPATH?"   A. The SCSP and DCSP come with eight (8) standard messages or you can even order your own personal messages (MDV-PMK) up to eight (8) with not totaling more than 2 minutes. B. The SAPE-1AR can be ordered with the SMK consisting of eight messages or you can order a Program Message Kit (PMK) with your own eight (8) custom messages or with ordering additional PMK's (up to 7) you can get up to 999 message files not totaling more than 8 minutes. CThe SAPE-2AR is a field programmable unit that includes 2 minutes of PSRAM Memory.You can have up to 999 message files by adding up to 7 MEM-2 IC Chips which gives you a total of 16 minutes.         2. "Am I able to use your SAFEPATH to power my paging speaker system that I already have installed?"   No. You can not use standard paging speakers on the SAFEPATH because the speakers have to be designed to work with supervisory circuits. Standard speakers do not have the circuitry required for supervision.         3. "Can I record my own messages on your SAFEPATH?"    Yes. You can record your own messages on the SAPE-2AR Multi Circuit SAFEPATH with the DX-200.         4. "Instead of messages can I have tones from my SAFEPATH?"   Yes. Cooper Wheelock will program the chip set (PMK) with the tones you require.         5. "Can your SAFEPATH be used as a paging system as well as voice evacuation?"   Yes. All you need to order is the AIM-3 module. This unit will let you feed a page port or unused co port to the SAFEPATH for paging.  Note: page port will require a contact closure in addition to the audio.         6. "Can I also use the SAFEPATH for weather alerts as well as fire?"   Yes. It is just a matter of activating the contact input on the voice message board. You must have that message recorded on the unit.         7. "Will the SAFEPATH work with 25 or 70.7-volt speakers?"   Yes. It will work with both 25v and 70v speakers providing they are supervisable.         8. "I have a movie theater with 4 different rooms that require a voice evac system. I want to have the capability to notify only one room at a time. Can the SAFEPATH do this?"    Yes. The Multi Circuit SAFEPATH has this type of function to where the message will play over only one amplifier at a time.           9. "I have a job site that needs a specification for a voice evacuation system. I’ve never done a job like this. Can I send in my blue prints for the job to get some help?"   Yes. You can send the blue prints into our applications department where we will work up a specification for the project at no additional charge.         10. "Am I able to wire multiple PS-12/24-8's to the SAFEPATH and have them all sync together?"